Respuesta :

calculista
20+72m

we have that
20--------------------- > 2*2*5=2² *5
72-------------------- > 2*2*2*3*3=2³ * 3²

therefore
20+72m---------------- > (2² *5)+(2³ * 3²)m-------- >2² *(5+2*3²)m
4(5+18)m

the answer is 4(5+18)m